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प्रश्न
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Concave mirror
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उत्तर
Focal length =25 cm.
Object distance = 20 cm.
Height o f object = 10 cm.
Image is virtual, erect, and magnified.
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संबंधित प्रश्न
A student focused the Sun rays using an optical device 'X' on a screen S as shown.
From this it may be concluded that the device 'X' is a (select the correct option)
(A) Convex lens of focal length 10 cm.
(B) Convex lens of radius of curvature 20 cm.
(C) Convex lens of focal length 20 cm.
(D) Concave mirror of focal length 20 cm.
Give one use each of a concave and a convex mirror.
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
What is a spherical mirror?
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
Name the kind of mirror used to obtain:
A virtual and diminished image
The following figure shows a concave mirror with its pole (P), focus (F), and center of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.
